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  6. 9987 BLADE FERRIS 21"X 5/8"
9987  BLADE FERRIS 21
9987 BLADE FERRIS 21'X 5/8'
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9987 BLADE FERRIS 21"X 5/8"

Part Number: 9987
Online Price: $17.55
9987 21" Ferris Replacement Blade – Fits 61" ZTR Decks | Heavy-Duty
Availability: In Stock.

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Description

9987 Heavy-Duty 21" Mower Blade – Fits Ferris & 61" ZTR Decks


Upgrade your cutting performance with the 9987 Heavy-Duty 21" Blade, designed as a direct replacement for Ferris part #5020842 and compatible with a wide range of 61” commercial mower decks. Built with a 0.240" thick, heavy-duty steel construction and a 5/8" center hole, this blade delivers reliable durability for professional and residential users alike.


Key Features:

  • Precision-crafted for clean cuts and longer blade life
  • Ideal for Ferris Mid-Mount ZTR mowers and compatible brands
  • Heavy-duty construction with 0.240" thickness
  • Requires three (3) blades for a complete 61" deck replacement

Replaces OEM Part Numbers:

  • Ferris: 1520842, 15208425, 5020842, 5020842S
  • Windsor: 50-4245

Fits the Following Mowers (3 blades required for 61" decks):

  • Ferris Mid-Mount ZTR
  • Bobcat/Ransomes
  • Bunton-Goodall
  • Encore
  • Great Dane
  • Husqvarna
  • Hustler
  • Lesco
  • Scag
  • Snapper/Kees
  • Wright
  • Simplicity/Allis Chalmers: Stallion, 25HP Kohler, 27HP Kohler, Cobalt, 4W-Is models

Blade Specs:

  • Length: 21"
  • Width: 2-1/2"
  • Thickness: 0.240"
  • Center Hole: 5/8"
  • Cut Direction: Right

FAQ

Q1: How many blades do I need for my 61" mower deck?
A1: You will need three (3) 9987 blades to replace the full set on a 61-inch deck.


Q2: What mower brands are compatible with this blade?
A2: This blade fits Ferris, Bobcat/Ransomes, Scag, Hustler, Snapper, Lesco, Wright, and many other commercial 61" deck mowers.


Q3: What makes this blade “heavy-duty”?
A3: It’s built with .240" thick high-carbon steel for extended durability, resistance to bending, and high-performance mowing in tough conditions.


Q4: Does this blade replace OEM part 5020842?
A4: Yes, it directly replaces Ferris part #5020842 and several others listed above.

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